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10 Qs

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Assessment

Quiz

Biology

9th - 12th Grade

Practice Problem

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Apakah yang dimaksud dengan daur biogeokimia?

(a) Perpindahan energi dari produsen ke konsumen

(b) Siklus materi organik dalam ekosistem.

(c) Perpindahan unsur kimia antara komponen biotik dan abiotik.

(d) Proses dekomposisi oleh mikroorganisme.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Manakah di bawah ini yang bukan merupakan contoh daur biogeokimia

(a) Daur karbon

(b) Daur nitrogen

(c) Daur hidrologi (air)

(d) Daur rantai makanan

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Peran penting bakteri dalam daur nitrogen adalah...

(a) Fotosintesis

(b) Fiksasi nitrogen

(c) Respirasi seluler

(d) Transpirasi

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Proses pengubahan amonia menjadi nitrit dan nitrat disebut...

(a) Denitrifikasi

(b) Nitrifikasi

(c) Amonifikasi

(d) Asimilasi

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Gas yang paling banyak terdapat di atmosfer dan penting dalam daur nitrogen adalah...

(a) Oksigen

(b) Karbon dioksida

(c) Nitrogen

(d) Hidrogen

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Proses pelepasan nitrogen ke atmosfer dari senyawa organik disebut...

(a) Nitrifikasi

(b) Asimilasi

(c) Denitrifikasi

(d) Fiksasi nitrogen

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Yang dimaksud dengan produktivitas primer dalam ekosistem adalah...

(a) Laju konsumsi oleh konsumen.

(b) Laju pembentukan bahan organik

(c) Laju dekomposisi oleh pengurai.

(d) Jumlah total biomassa dalam ekosistem.

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